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Roman55 [17]
3 years ago
13

Write a sientific explanation describing how light ando sound energy help us communicate and share information our daily lives.

Biology
1 answer:
Gekata [30.6K]3 years ago
4 0

Answer:  There are many sources of light, but the initial energy for all light sources comes from the sun. Light travels away from its source in straight lines through space as waves of energy. The waves we can detect with our eyes are called visible light. Patterns in the behavior of light are predictable because light moves in waves through space until it comes in contact with an object or material that changes its direction. Light can pass through or bounce off objects. Additionally, different materials can block or absorb light. If an object blocks light, a shadow of the object forms. If the intensity or direction of the light source changes, the appearance of an object’s shadow can change in size, shape, or darkness. Absorbing light energy can cause changes in matter. A common example includes the color of paper or fabric fading as the matter absorbs light over time. Vibrations cause sounds. We can hear when sound waves travel through the air to our ears and cause our eardrums to vibrate. Sound can also travel through other forms of matter, such as liquids and solids.

Explanation:

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Give a basic definition of evolution as taught in this Unit 2. Answer should be at least 3 sentences long and include at least 4
RideAnS [48]

All things must be different and the same. the reason I think this is because no certain evolution change has made the subject stay the same or make it completely different.

the alleles has made changes in the DNA structure therefore causing some sort of "evolution". to make a more specific example is in the ancient crocodiles, when they lived they had different environmental changes and how that effected them. somewhere the DNA structure was changed and made them what they are today.

all in all the evolution in this unit has shown what happens during the process and how it starts.

now this hasnt been graded but this should get you a decent start.

6 0
3 years ago
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vovikov84 [41]
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3 years ago
When a long-period comet is farthest from the Sun in its orbit, which features of the comet exist? Select all that apply.
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When a comet is close to the sun, the force from the sun's radiation pushing against the comet making a dust and/or gas tail. The comet being close to the sun also forms the coma of a comet due to it's radiation. The only thing that doesn't exist while being close to the sun is the nucleus. In conclusion, When a long period comet is farthest from the sun in its orbit, C. the Nucleus exist.

Hope this helped! 
7 0
3 years ago
Sofia sat on the gym floor and painted a banner for the pep rally. While
Klio2033 [76]

Answer: When she finished adding in everyone's ideas, Sofia stepped back and realized that she would need to make a new banner.

Explanation:

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4 0
2 years ago
The antibiotic penicillin is isolated from
kykrilka [37]

The antibiotic penicillin is isolated from <u><em>Penicillium notatum</em></u> fungi

Penicillin was first discovered in 1928 and was used at St. Mary's Hospital, London, by Alexander Fleming to heal wounds due to its antibacterial properties.

Explanation:

Fungi and bacteria usually produce antibiotics (as secondary metabolites) for defense mechanism. They do so to limit competition for resources with other neighboring fungi or bacteria in their environment.  This is why when a fungus or bacteria establishes itself in an environment, you hardly see other fungi or bacteria types growing in their vicinity.

Learn More:

For more on antibiotics check out;

brainly.com/question/10320882

brainly.com/question/9202583

#LearnWithBrainly

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3 years ago
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